describePrimaryCompactLayouts()

public void testDescribePrimaryCompactLayoutsSample() {
  try {
    String[] objectsToDescribe = new String[] {"Account","Lead"};
      DescribeCompactLayout[] primaryCompactLayouts = connection.describePrimaryCompactLayouts(objectsToDescribe);

      for (int i = 0; i < primaryCompactLayouts.length; i++) {
        DescribeCompactLayout cLayout = primaryCompactLayouts[i];
        System.out.println(" There is a compact layout with name: " + cLayout.getName());

        // Write the objectType
        System.out.println(" This compact layout is the primary compact layout for: " + cLayout.getObjectType());

        DescribeLayoutItem[] fieldItems = cLayout.getFieldItems();
        System.out.println(" There are " + fieldItems.length + " fields in this compact layout.");

        // Write field items
        for (int j = 0; j < fieldItems.length; j++) {
          System.out.println(j + " This compact layout has a field with name: " + fieldItems[j].getLabel());
        }

        DescribeLayoutItem[] imageItems = cLayout.getImageItems();
        System.out.println(" There are " + imageItems.length + " image fields in this compact layout.");

        // Write the image items
        for (int j = 0; j < imageItems.length; j++) {
          System.out.println(j + " This compact layout has an image field with name: " + imageItems[j].getLabel());
        }

        DescribeLayoutButton[] actions = cLayout.getActions();
        System.out.println(" There are " + actions.length + " buttons in this compact layout.");

        // Write the action buttons
        for (int j = 0; j < actions.length; j++) {
          System.out.println(j + " This compact layout has a button with name: " + actions[j].getLabel());
        }
      }

    } catch (ConnectionException ce) {
      ce.printStackTrace();
  }
}